diff --git a/apps/regression/base.universal.i18n b/apps/regression/base.universal.i18n
index 387275113..bb896dc36 100644
--- a/apps/regression/base.universal.i18n
+++ b/apps/regression/base.universal.i18n
@@ -5,5 +5,5 @@ LogarithmicRegressionFormula  = " y=a·ln(x)+b "
 ExponentialRegressionFormula  = " y=a·exp(b·x) "
 PowerRegressionFormula  = " y=a·x^b "
 TrigonometricRegressionFormula  = " y=a·sin(b·x+c)+d "
-LogisticRegressionFormula  = " y=c/(a+exp(-b·x)) "
+LogisticRegressionFormula  = " y=c/(1+a·exp(-b·x)) "
 Dash = "-"